function makeWindow(W,H) {
	if (W == null) { W = 567; }
	if (H == null) { H = 378; }
W = W+16;
H = H+16;
window.open("","finestrina","width="+W+",height="+H+",innerwidth="+W+",innerheight="+H+",titlebar=no,title=no");
}